Invention Grant
- Patent Title: Crosstalk elimination circuit, liquid crystal display apparatus, and display control method
- Patent Title (中): 串扰消除电路,液晶显示装置和显示控制方法
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Application No.: US10594023Application Date: 2005-05-09
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Publication No.: US07773049B2Publication Date: 2010-08-10
- Inventor: Masafumi Ueno , Naoko Kondo , Hiroyuki Furukawa , Yasuhiro Yoshida
- Applicant: Masafumi Ueno , Naoko Kondo , Hiroyuki Furukawa , Yasuhiro Yoshida
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2004-143006 20040513; JP2004-172049 20040610; JP2005-132118 20050428
- International Application: PCT/JP2005/008432 WO 20050509
- International Announcement: WO2005/111979 WO 20051124
- Main IPC: G09G3/20
- IPC: G09G3/20

Abstract:
The crosstalk of a display apparatus can be efficiently eliminated to realize a precise, high-quality display. A liquid crystal display apparatus includes, as a crosstalk elimination circuit, an adjacent picture element acquisition circuit (1) that acquires display signals of picture elements adjacent to a self picture element, and two-dimensional LUTs (2) that use the display signals of the adjacent picture elements, acquired by the adjacent picture element acquisition circuit (1), to correct display signals of the self picture element so as to correct RGB display signals. The picture element display signals as corrected by the correction values output from the LUTs (2) are output to a source driver (4) via a timing controlling unit (TC) (3). In the crosstalk elimination circuit, the display signals of a picture element to be corrected and those of picture elements adjacent to the picture element that influence the picture element are used to acquire a correction value, thereby correcting the display signals of the correction target picture element.
Public/Granted literature
- US20070222724A1 Crosstalk Elimination Circuit, Liquid Crystal Display Apparatus, and Display Control Method Public/Granted day:2007-09-27
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